[verified] — Bcm89890

: Acting as a high-speed gateway or ECU-to-ECU backbone for decentralized vehicle processing. Implementation and Support

Diagnostics over IP (DoIP) requires a physical connection via the OBD-II port. The BCM89890 is often placed on the diagnostic gateway, allowing a dealer scan tool to connect to the vehicle’s entire Ethernet network without needing legacy CAN bridges. bcm89890